a0 (1710)-f0(1710) mixing effect in the Ds+ → KS0KS0π+ decay

被引：0
|
作者：
Peng, Yu-Wen [1 ]
Liang, Wei [1 ]
Xiong, Xiaonu [1 ]
Xiao, Chu-Wen [1 ,2 ,3 ]
机构：
[1] Cent South Univ, Sch Phys, Changsha 410083, Peoples R China
[2] Guangxi Normal Univ, Dept Phys, Guilin 541004, Peoples R China
[3] Guangxi Normal Univ, Guangxi Key Lab Nucl Phys & Technol, Guilin 541004, Peoples R China
来源：
PHYSICAL REVIEW D | 2024年 / 110卷 / 03期
基金：
中国国家自然科学基金;
关键词：
COUPLED-CHANNEL ANALYSIS; MULTIQUARK HADRONS; AMPLITUDE ANALYSIS; QUARK-MODEL; SCALAR; F(0)(980); MESON; J/PSI; THRESHOLD; RESONANCE;
D O I：
10.1103/PhysRevD.110.036013
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
With the measurements of the decay D-s(+) -> (KSKS0)-K-0 pi(+) by the BESIII collaboration, we investigate this three-body weak decay via the chiral unitary approach for the final state interaction, where the resonances S(980) and S(1710) are dynamically reproduced with the interaction of eleven coupled channels, and the W-external and W-internal emission mechanisms are considered at the quark level. Besides, we also take into account the contribution from the P-wave resonance K*(892)(+) and make a combined fit of the (KSKS0)-K-0 and K-S(0)pi(+) invariant mass spectra measured by the BESIII collaboration. The fitted results show that the enhancement around 1.7 GeV in (KSKS0)-K-0 mass spectrum is overlapped with two visible peaks, indicating the mixing signal originated from the resonances a(0)(1710) and f(0)(1710) due to their different poles (masses). Thus, the decay D-s(+) -> (KSKS0)-K-0 pi(+) is helpful to reveal their molecular nature with the mixing signal, which can be more precisely measured in the future.
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页数：13
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